Fernox F4 EXPRESS Fernox F4 Aerosol Leak Sealer 400Ml Kit**Wse 016825 Dhw Seal Kit

SKU: 47898639599

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Fernox F4 EXPRESS Fernox F4 Aerosol Leak Sealer 400Ml Kit**Wse 016825 Dhw Seal KitAvailable now at Heatparts: Fernox F4 Express Leak Sealer 400ml a genuine, non flammable aerosol solution designed to seal small, inaccessible leaks and weeps in central heating systems. Utilising Barrier Pressure Pack technology, it delivers a quick and efficient seal without the need for system drain down. Effective within 124 hours, it prevents blockages in sensitive components like pumps and heat exchangers. Suitable for systems up to 130 litres

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